Deposition of fine sediments in turbulent flows /

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Bibliographic Details
Author / Creator:Partheniades, Emmanuel.
Imprint:Washington, DC : U.S. G.P.O., 1972.
Description:vii, 41 p. : ill. ; 28 cm.
Series:Water pollution control research series
Water pollution control research series.
Subject:Sedimentation and deposition.
Sediment transport.
Sediment transport.
Sedimentation and deposition.
Format: U.S. Federal Government Document Print Book
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Hidden Bibliographic Details
Other authors / contributors:Mehta, Ashish J.
University of Florida. Coastal and Oceanographic Engineering Department.
United States. Environmental Protection Agency. Office of Research and Monitoring.
Notes:"Project no. 16050 ERS."
Includes bibliographical references (p. 37-41).
Summary:Deposition of fine cohesive sediments in a turbulent flow field was studied in a system of a rotating annular channel and ring. The percentage of the total sediment that a given flow can maintain in suspension depends only on the bed shear stress and is independent of the initial sediment concentration. The percentage (C) of the depositable sediment deposited at time t has been found to vary with time according to the law (C = alpha logt + beta), where the coefficient a is independent of the flow conditions and sediment concentration, while the coefficient b is a function of the bed shear stress only. Both a and b depend on the physiochemical properties of the sediment and the water environment. Deposition rates are proportional to the depositable sediment concentration and inversely proportional to time. classification:EP 1.16:16050 ERS 08/71

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